The domino theory argued that: 1. if one Asian nation fell to Communism, the rest would follow.
2. U. S. victory in Korea would lead to U. S. victory in China.
3. the U. S. should allow the nations of Asia to follow China and accept Communist rule.
4. there was no danger of Communism spreading throughout Asia.

1. If one Asian nation fell to Communism, the rest would follow.

Explanation: Because of the rise of Communsim, democratic countries such as Great Britain, France, and the USA didn't want Communism to spread. So they thought that if one nation falls to Communism,  the rest would follow like dominos falling.

there has only been 12 presidents. the 12th president is/was moon jae-in

there were abundant sources of fuel nearby